苯甲酰氯 、 (E)-(2R,3R,4S,4aS,4bS,5S,12aS,13aR)-5-Isopropyl-2,8-dimethyl-12-methylene-3,4,4a,4b,5,6,7,10,11,12,12a,13a-dodecahydro-2H-1,13-dioxa-cyclodeca[a]indene-3,4-diol 在
吡啶 作用下,
反应 2.0h,
以13 mg的产率得到[(1S,5E,9S,10S,11S,12S,13S,14R,16R)-12-benzoyloxy-6,14-dimethyl-2-methylidene-9-propan-2-yl-15,17-dioxatricyclo[8.7.0.011,16]heptadec-5-en-13-yl] benzoate